| 3601 | Enhanced Energy Partners Corp | Tomball, TX 77377 | Oil & Gas Operator | Apr 2025 |
| 3602 | Enhanced RS, Inc. | Luling, TX 78648 | Oil Operator | Apr 2025 |
| 3603 | Enid Operating, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Apr 2025 |
| 3604 | Enline Operating, L.L.C. | Houston, TX 77019 | Oil & Gas Operator | Jun 1998 |
| 3605 | Enline Resources, LLC | Houston, TX 77254 | Oil & Gas Operator | Feb 1996 |
| 3606 | Enlink Crude Marketing LLC | Houston, TX 77010 | Oil & Gas Operator | Aug 2022 |
| 3607 | Enlo Energy Co., LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2001 |
| 3608 | Enloe Oil Company | Olney, TX 76374 | Oil & Gas Operator | Jun 2000 |
| 3609 | Enmark Gas Gathering L. P. | Dallas, TX 75252 | Oil & Gas Operator | Oct 2024 |
| 3610 | Enpower Resources Inc. | Sugar Land, TX 77479 | Oil & Gas Operator | Apr 2025 |
| 3611 | Enr Operating, LLC | Eunice, NM 88231 | Oil & Gas Operator | Apr 2025 |
| 3612 | Enre Corp. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2005 |
| 3613 | Enre LP | Kingwood, TX 77339 | Oil & Gas Operator | Feb 2004 |
| 3614 | Enrich Oil Corporation | Abilene, TX 79604 | Oil & Gas Operator | Apr 2025 |
| 3615 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 |
| 3616 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 3617 | Enserch Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 1998 |
| 3618 | Ensight Energy Management, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Jul 2005 |
| 3619 | Ensight III Energy MGMT, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2008 |
| 3620 | Ensight IV Energy Management,LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 3621 | Ensight Resources, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2001 |
| 3622 | Ensign Operating Co. | Denver, CO 80202 | Oil & Gas Operator | Jan 2004 |
| 3623 | Ensign Operating LLC | Houston, TX 77086 | Oil & Gas Operator | Feb 2023 |
| 3624 | Enstar Energy, Inc. | Arlington, TX 76003 | Oil & Gas Operator | Apr 2025 |
| 3625 | Enstor Katy Storage & Transp LP | Houston, TX 77042 | Oil & Gas Operator | Apr 2025 |
| 3626 | Enterprise Crude Oil LLC | Oklahoma City, OK 73102 | Oil Operator | Aug 2011 |
| 3627 | Enterra Resources, LLC | Edmond, OK 73083 | Oil & Gas Operator | Dec 2024 |
| 3628 | Enwest Resources, Inc. | Midland, TX 79705 | Oil & Gas Operator | Aug 1994 |
| 3629 | EOG (Oklahoma) Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Oct 2016 |
| 3630 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 3631 | Eor Operating Company | Houston, TX 77079 | Oil & Gas Operator | Apr 2025 |
| 3632 | EP Energy E&P Company, LLC | Houston, TX 77210 | Oil & Gas Operator | Apr 2025 |
| 3633 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | May 2022 |
| 3634 | EP Operating Limited Partnership | Dallas, TX 75201 | Oil & Gas Operator | Feb 1995 |
| 3635 | Epic Permian Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Jan 2025 |
| 3636 | Epstein, Edwin A Jr Oper Co Inc | Las Vegas, NV 89128 | Gas Operator | Dec 2001 |
| 3637 | Eqt Production Texas, LLC | Pittsburgh, PA 15222 | Oil & Gas Operator | Jun 2018 |
| 3638 | Eqv Operating LLC | Oklahoma City, OK 73172 | Oil & Gas Operator | Apr 2025 |
| 3639 | Eratz Investments Inc. | Dallas, TX 75240 | Oil & Gas Operator | Apr 2025 |
| 3640 | Erebor Resources, LLC | Tyler, TX 75702 | Oil & Gas Operator | Oct 2019 |
| 3641 | Erg Operating Company Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 2006 |
| 3642 | Erg Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2015 |
| 3643 | Ergon Energy Partners, L.P. | Monroe, LA 71207 | Oil & Gas Operator | Apr 2024 |
| 3644 | Ericksen, W.R. | Hobbs, NM 88240 | Oil & Gas Operator | Nov 1993 |
| 3645 | Erin Oil Co. | Midland, TX 79707 | Oil & Gas Operator | Apr 2025 |
| 3646 | Erin Oil Exploration, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Dec 1996 |
| 3647 | Ermis Vacuum Service | El Campo, TX 77437 | Oil & Gas Operator | Mar 2010 |
| 3648 | Ermis Vacuum Service, LLC | El Campo, TX 77437 | Oil & Gas Operator | Apr 2025 |
| 3649 | Ernest Operating Company | Rockdale, TX 76567 | Oil & Gas Operator | Apr 2025 |
| 3650 | Ernmar Investments, Inc. | Edmond, OK 73083 | Oil & Gas Operator | Apr 2025 |
| 3651 | Eros Operating LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Apr 2025 |
| 3652 | Erskine Energy, LLC | H SPG NTL PK, AR 71909 | Oil & Gas Operator | Apr 2025 |
| 3653 | Erskine Operating LLC | Houston, TX 77079 | Oil & Gas Operator | Dec 2007 |
| 3654 | Erso, Inc. | Houston, TX 77002 | Gas Operator | Mar 1995 |
| 3655 | Erson Royalty Company, Inc. | Merkel, TX 79536 | Oil & Gas Operator | Feb 2006 |
| 3656 | Erwin Oil Company | Jacksboro, TX 76458 | Oil Operator | Apr 2025 |
| 3657 | Erwin Operating | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 3658 | Erwin, James D. | Dallas, TX 75225 | Oil & Gas Operator | Nov 1993 |
| 3659 | Esco Oil Operating Company LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2025 |
| 3660 | Escoba Royalty Corporation | San Antonio, TX 78217 | Oil & Gas Operator | Nov 2005 |
| 3661 | Escondido Bay Corporation | Dallas, TX 75202 | Oil Operator | Apr 2025 |
| 3662 | Escondido Operating, Inc. | Carrollton, TX 75011 | Oil & Gas Operator | Jun 2013 |
| 3663 | Escondido Petroleum Company, Inc | Houston, TX 77063 | Oil & Gas Operator | Apr 2025 |
| 3664 | Escondido Resources GP, LLC | Midland, TX 79708 | Oil & Gas Operator | Dec 2007 |
| 3665 | Escondido Resources II, LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2017 |
| 3666 | Escondido Resources Oper Co, LLC | Katy, TX 77449 | Oil & Gas Operator | Apr 2025 |
| 3667 | Escudo Oil & Gas, LLC | Houston, TX 77006 | Oil & Gas Operator | Apr 2025 |
| 3668 | Esenjay Exploration, Inc | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
| 3669 | Esenjay Petroleum Corp. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jul 1998 |
| 3670 | Esg Resources LLC | Dallas, TX 75231 | Oil & Gas Operator | Apr 2025 |
| 3671 | Esna Operating Co., Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Oct 1994 |
| 3672 | Esoterra, Inc. | Granbury, TX 76049 | Oil & Gas Operator | Apr 2025 |
| 3673 | Esp Energy, LLC | Nocona, TX 76255 | Oil Operator | Apr 2025 |
| 3674 | Espada Operating LLC | San Antonio, TX 78209 | Oil Operator | Apr 2025 |
| 3675 | Esperanza Energy Corp. | Prosper, TX 75078 | Oil & Gas Operator | Mar 2015 |
| 3676 | Essman Energy, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Sep 2019 |
| 3677 | Estacado Energy, Inc. | Austin, TX 78716 | Oil & Gas Operator | Jul 1999 |
| 3678 | Estacado Energy, LLC | Iowa Park, TX 76367 | Oil & Gas Operator | Apr 2025 |
| 3679 | Estancia Oil & Gas, LLC | Austin, TX 78716 | Oil & Gas Operator | Apr 2025 |
| 3680 | Estate Of C.B. Christie Jr | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2025 |
| 3681 | Estate Of James L. Nelson | Pettus, TX 78146 | Oil & Gas Operator | Apr 2025 |
| 3682 | Estate Of Jerome B. Herrmann | Amarillo, TX 79101 | Oil & Gas Operator | Apr 2022 |
| 3683 | Estate Oil & Gas Corp. | Dallas, TX 75206 | Oil & Gas Operator | Oct 2011 |
| 3684 | Estes And Company LLC. | Perryton, TX 79070 | Oil & Gas Operator | Apr 2025 |
| 3685 | Estes Operating, Inc. | San Antonio, TX 78210 | Oil & Gas Operator | Mar 2002 |
| 3686 | Estes Operating, LLC | La Porte, TX 77571 | Oil & Gas Operator | Apr 2025 |
| 3687 | Estoril Producing Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 1994 |
| 3688 | Et Gathering & Processing LLC | Dallas, TX 75225 | Oil Operator | Dec 2024 |
| 3689 | Etc Field Services LLC | San Antonio, TX 78258 | Oil Operator | Jun 2018 |
| 3690 | Etc Oil Co. | Pecos, TX 79772 | Oil & Gas Operator | Mar 2004 |
| 3691 | Etc Texas Pipeline, LTD. | Dallas, TX 75225 | Oil Operator | Sep 2023 |
| 3692 | Etl Hydrocarbons, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Apr 2025 |
| 3693 | Etm Operating Company, Inc. | Houston, TX 77079 | Oil Operator | Feb 2009 |
| 3694 | Etoco Incorporated | Houston, TX 77002 | Oil & Gas Operator | May 2005 |
| 3695 | Etoco, L.P. | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 3696 | Etopsi Oil And Gas, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2025 |
| 3697 | Etos Operating, Inc. | New London, TX 75682 | Oil & Gas Operator | Apr 2025 |
| 3698 | Ettco Enterprises, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2024 |
| 3699 | Etx Energy, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Oct 2022 |
| 3700 | Eubank, Robert B. & B. K. | Spring, TX 77388 | Oil & Gas Operator | Mar 2008 |